Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.3.9600.16384 (winblue_rtm.130821-1623) 0.64%
6.3.9600.16384 (winblue_rtm.130821-1623) 0.32%
6.2.9200.16384 (win8_rtm.120725-1247) 0.48%
6.2.9200.16384 (win8_rtm.120725-1247) 2.24%
6.1.7600.16385 (win7_rtm.090713-1255) 20.29%
6.1.7600.16385 (win7_rtm.090713-1255) 28.91%
6.1.7600.16385 (win7_rtm.090713-1255) 0.16%
6.0.6000.16386 (vista_rtm.061101-2205) 6.87%
6.0.6000.16386 (vista_rtm.061101-2205) 3.51%
5.2.3790.3959 (srv03_sp2_rtm.070216-1710) 0.16%
5.2.3790.1830 (srv03_sp1_rtm.050324-1447) 0.16%
5.1.2600.5512 (xpsp.080413-2105) 27.32%
5.1.2600.5512 (xpsp.080413-2105) 0.16%
5.1.2600.5512 (xpsp.080413-2105) 0.16%
5.1.2600.3311 (xpsp.080212-0004) 0.16%
5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) 8.47%

Relationships

Parent process
Related files

PE structurePE file structure

Show functions
Import table
api-ms-win-core-path-l1-1-0.dll
PathCchAppend
imagehlp.dll
ImageDirectoryEntryToData
kernel32.dll
ExitProcess, GetCommandLineW, EncodePointer, GetNativeSystemInfo, SetFilePointer, SetErrorMode, FreeLibrary, CreateProcessW, LoadLibraryExW, GetCurrentProcess, SetProcessDEPPolicy, WaitForSingleObject, SetEvent, ReleaseSRWLockExclusive, AcquireSRWLockExclusive, GetSystemDirectoryW, WideCharToMultiByte, FormatMessageW, ReadFile, CreateFileW, ReleaseSRWLockShared, Wow64EnableWow64FsRedirection, GetLastError, GetProcAddress, LocalAlloc, IsWow64Process, CreateEventW, DecodePointer, HeapSetInformation, AcquireSRWLockShared, GetCurrentThreadId, CloseHandle, LocalFree, SetUnhandledExceptionFilter, GetStartupInfoW, InterlockedCompareExchange, InterlockedExchange, Sleep, QueryPerformanceCounter, GetCurrentProcessId, GetModuleHandleA, GetSystemTimeAsFileTime, GetTickCount, UnhandledExceptionFilter, TerminateProcess, QueryActCtxW, SearchPathW, SetSearchPathMode, GetModuleHandleW, CreateActCtxW, ActivateActCtx, ResolveDelayLoadedAPI, DelayLoadFailureHook, ReleaseActCtx, GetFileAttributesW, DeactivateActCtx, CompareStringW, lstrlenA, lstrlenW, LoadLibraryW, LoadLibraryA, LoadLibraryExA
msvcrt.dll
DllMain
ntdll.dll
NtOpenProcessToken, NtQueryInformationToken, NtSetInformationToken, NtClose, RtlNtStatusToDosError, RtlImageNtHeader, NtSetInformationProcess
shlwapi.dll
PathIsRelativeW, SHSetThreadRef
user32.dll
CreateWindowExW, SetWindowLongW, GetClassNameW, SetClassLongW, RegisterClassW, LoadIconW, GetClassLongW, DestroyWindow, GetMessageW, DefWindowProcW, GetWindow, CharNextW, GetWindowLongW, LoadCursorW, TranslateMessage, LoadStringW, PostThreadMessageW, MessageBoxW, DispatchMessageW

rundll32.exe

Windows host process (Rundll32) by Microsoft

Remove rundll32.exe
Version:   5.2.3790.1830 (srv03_sp1_rtm.050324-1447)
MD5:   f9a942758040b5b60fb6315753ce94c3
SHA1:   42effc11f97e7e8744e216f7a859a12baaeb4b8c
SHA256:   28ebfe91ace0da7b9484690491e167ca514b26023ac679f5f2a12b2bd3a451e9
This is a Windows system installed file with Windows File Protection (WFP) enabled.

Overview

rundll32.exe executes as a process with the local user's privileges typically within the context of its parent chrome.exe (Google Chrome by Google Inc). It is set to be run when the PC boots and the user logs into Windows (added to the Run registry key for the current user). It configures an autoplay handler withing explorer.exe named MSPhotoAcqHWEventHandler that will launch the program automatically. and is compiled as a 64 bit program.

DetailsDetails

File name:rundll32.exe
Publisher:Microsoft Corporation
Product name:Windows host process (Rundll32)
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\rundll32.exe
Original name:RUNDLL32.EXE.MUI
File version:5.2.3790.1830 (srv03_sp1_rtm.050324-1447)
Product version:5.2.3790.1830
Size:36.5 KB (37,376 bytes)
Digital DNA
PE subsystem:Windows GUI
Entropy:6.056689
File packed:No
Code language:Microsoft Visual C++
.NET CLR:No
More details

BehaviorsBehaviors

Autoplay handlers
Runs under the registry key 'SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\Handlers'
  • Handler name 'WinampMTPHandler'
  • Handler name 'PStarterVideoFilesArrival'
  • Handler name 'PStarterPicturesArrival'
  • Handler name 'PStarterMusicFilesArrival'
  • Handler name 'PStarterMixedCDArrival'
  • Handler name 'PStarterDVDBurningOnArrival'
  • Handler name 'PStarterBlankCDArrival'
  • Handler name 'Power2GoPlayCDAudioOnArrival'
  • Handler name 'PDirDVArrival'
  • Handler name 'P2GDVDBurningOnArrival'
  • Handler name 'P2GCDBurningOnArrival'
  • Handler name 'muveeVideoOnArrival'
  • Handler name 'muveeVideoCameraArrivalCaptureWizard'
  • Handler name 'MSShowPicturesOnArrival'
  • Handler name 'MSSHAudioDevHandler'
  • Handler name 'MSRipCDAudioOnArrival'
  • Handler name 'MediaCapture9VideoCamera'
  • Handler name 'MSSdRunBackup'
  • Handler name 'MSSdConfigBackup'
  • Handler name 'MSPromptEachTimeNoContent'
  • Handler name 'MSPromptEachTime'
  • Handler name 'MSPhotoAcqHWEventHandler'
Approved shell extensions
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved'
  • CLSID: {9D687A4C-1404-41ef-A089-883B6FBECDE6}
Scheduled tasks
  • The job 'MyTurboPC.com Registration3' runs daily in the path '\MyTurboPC.com Registration3'
  • The job 'EasyShare Registration Task' runs daily in the path '\EasyShare Registration Task'
  • The task 'PC Utility Kit Registration3' runs daily in the path '\PC Utility Kit Registration3'
  • The task 'PC Unleashed Online Registration3' runs daily in the path '\PC Unleashed Online Registration3'
  • The task 'SparkTrust Registration3' runs daily in the path '\SparkTrust Registration3'
  • The job 'ParetoLogic Registration' runs daily in the path '\ParetoLogic Registration'
  • The task 'SpeedMaxPc Registration3' runs daily in the path '\SpeedMaxPc Registration3'
  • The job 'ParetoLogic Registration3' runs daily in the path '\ParetoLogic Registration3'
  • The task 'SpeedyPC Registration3' runs daily in the path '\SpeedyPC Registration3'
  • Entry path '\{DF592278-9ED5-4925-9117-7AD619F1AAA8}'
  • Entry path '\{D6488D52-E069-4A39-816E-D1598D5449A4}'
  • Entry path '\{C8536D19-006C-4D7C-B8C4-5A4B5160C5ED}'
  • Entry path '\{BBA662F7-038F-467B-8873-EB604B5242A2}'
  • Entry path '\{B86A1F70-22DB-44E2-850A-04DB8130A83A}'
  • Entry path '\{A9F6F357-C7F2-493B-9CA6-BA8096AAF4DF}'
  • Entry path '\{8A560E02-3FEE-4E3F-BD2F-E30E081ACB04}'
  • Entry path '\{898C3889-ACDA-439E-91B0-36187A01B19B}'
  • Entry path '\{0FF765F0-1DE5-461B-9F9B-936450ABA203}'
  • Entry path '\{0420CBAC-4E40-4938-9955-4C7C8595BC42}'
  • Entry path '\{00BAB955-E3A4-40EE-A715-E595C89513B0}'
  • Entry path '\EasyShare Registration Task'
  • Entry path '\MyTurboPC.com Registration3'
Startup files (user) run
Runs under the registry key 'HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'uprkr' → rundll32.exe ",RetrieveKey
User start menu folder
Shortcut pointer placed in '%appdata%\Microsoft\Windows\Start Menu'
  • Shortcut to 'rundll32.exe'
  • Shortcut to 'lsass.exe'
Startup files (all users) run
Runs under the registry key 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'CTMasterOnOffMonitor' → Rundll32.exe CTMWatch.dll StartCTMasterOnOffWatch

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00001473%
0.028634%
Kernel CPU:0.00001473%
0.013761%
Kernel CPU time:16 ms/min
100,923,805ms/min
Memory
Private memory:2.41 MB
21.59 MB
Private (maximum):4.56 MB
Private (minimum):148 KB
Non-paged memory:2.41 MB
21.59 MB
Virtual memory:51.51 MB
140.96 MB
Virtual memory (peak):60.27 MB
169.69 MB
Working set:168 KB
18.61 MB
Working set (peak):4.69 MB
37.95 MB
Page faults:2,324/min
2,039/min
I/O
I/O other transfer:193 Bytes/sec
448.09 KB/min
I/O other operations:3/sec
1,671/min
Resource allocations
Threads:1
12
Handles:43
600
GUI GDI count:17
103
GUI USER count:5
49

BehaviorsProcess properties

Integrety level:Undefined
Platform:64-bit
Command line:"C:\Windows\System32\rundll32.exe" "C:\Documents and Settings\user\Application data\google\chrome\user data\default\extensions\jfjbflachhjbdbhfgknpgcgpchaikkok\10.14.370.524_0\plugins\chromeautoapprovetb.dll" runup extensionid=jfjbflachhjbdbhfgknpgcgpchaikkok;issmartbar=true
Owner:User
Parent process:chrome.exe (Google Chrome by Google Inc)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Ultimate 36.50%
Windows 7 Home Premium 25.00%
Windows Vista™ Home Premium 9.00%
Windows Vista Ultimate 7.00%
Windows Vista Home Premium 4.50%
Windows 7 Professional 3.00%
Microsoft Windows 7 Professional 2.50%
Windows 8.1 2.00%
Windows 8 Pro 2.00%
Windows Vista Home Basic 1.50%
Windows 8 1.50%
Windows 8.1 Pro 1.00%
Windows 7 Home Basic 1.00%
Windows 7 Starter 1.00%
Windows 8 Single Language 0.50%
Windows 8 Enterprise 0.50%
Windows 8 Pro with Media Center 0.50%
Windows 7 Home Premium N 0.50%
Windows Server 2008 Standard 0.50%

Distribution by countryDistribution by country

United States installs about 50.56% of Windows host process (Rundll32).

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 21.36%
Acer 18.45%
Toshiba 13.59%
Dell 13.59%
Sony 9.71%
Lenovo 9.71%
Alienware 4.85%
GIGABYTE 4.85%
ASUS 1.94%
Gateway 1.94%
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